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package com.comfacauca.xmlc2.servlet;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

/**
 *
 * @author eorozco
 */
public class FileUploadHandler extends HttpServlet {

    private final String UPLOAD_DIRECTORY = "/var/Artefactos";
    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
           

    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        
        
        
        
        
//        if (ServletFileUpload.isMultipartContent(request)) {
//            try {
//                List<FileItem> multiparts = new ServletFileUpload(
//                        new DiskFileItemFactory()).parseRequest(request);
//
//                for (FileItem item : multiparts) {
//                    if (!item.isFormField()) {
//                        String name = new File(item.getName()).getName();
//                        item.write(new File(UPLOAD_DIRECTORY + File.separator + name));
//                    }
//                }
//
//                //File uploaded successfully
//                request.setAttribute("message", "File Uploaded Successfully");
//            } catch (Exception ex) {
//                request.setAttribute("message", "File Upload Failed due to " + ex);
//            }
//
//        } else {
//            request.setAttribute("message",
//                    "Sorry this Servlet only handles file upload request");
//        }
//
//        request.getRequestDispatcher("/result.jsp").forward(request, response);

        

//process only if its multipart content
         boolean isMultipart = ServletFileUpload.isMultipartContent(request);
         
         String req = request.getParameter("req");
         
          if (isMultipart) {

            FileItemFactory factory = new DiskFileItemFactory();
            ServletFileUpload upload = new ServletFileUpload(factory);

            try {

                List items = upload.parseRequest(request);
                Iterator iterator = items.iterator();
                while (iterator.hasNext()) {
                    FileItem item = (FileItem) iterator.next();

                    if (!item.isFormField()) {
                        String fileName = item.getName();

                        String fileBase = getServletContext().getInitParameter("IMAGE_FILEBASE");
                        File filePath = new File(fileBase + File.separator);

                        String ruta = "/var/Artefactos/"+req;
                        File dir = new File(ruta);
                        dir.setWritable(true);
                        dir.mkdir();
                        
                        File uploadedFile = new File(dir + "/" + fileName);
                        item.write(uploadedFile);
                        
                        
                        
//                        
//                        File dirToMove = new File(ruta);
//                        String newFileName = "adj_" + tmpFile.getName().replaceAll(" ", "");
//                        File fileToMove = new File(dirToMove, newFileName);
//                        tmpFile.renameTo(fileToMove);
//                        tmpFile.delete();
                        
                        
                        
                        // Save the below path in database
                        String url = getServletContext().getInitParameter("imgsd") + fileName;
                        out.println("{\"dato\":\""+request.getParameter("req")+"\"}");
                    }
                }
            } catch (FileUploadException e) {
                e.printStackTrace();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }



    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
